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Significance of audio-vestibular evaluation in diabetes mellitus patients- A study

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Original Article

Author Details : Mohamed Ashraf Kuniyil, Subhodha Hosagadde Rathnakara*, Prakruthi Jaladhar, Nimalka M Sequeira, Vijayalakshmi Subramaniam

Volume : 3, Issue : 1, Year : 2020

Article Page : 18-22

https://doi.org/10.18231/j.ijoas.2020.004

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Abstract

Introduction: Diabetes mellitus (DM) has a projected rise in its affected population to almost double by the year 2035 in India. Ongoing research regarding its microvascular complications has led to a disparity of opinion about involvement of the audio-vestibular system. Hence to evaluate the audio-vestibular functions in patients with diabetes mellitus and determine their correlation with duration and control of the disease, this study was conducted.
Materials & Methods: 97 DM patients were included in this prospective, cross-sectional study and all of them underwent clinical examination, Dix-Hallpike maneuver and investigations like Pure tone audiometry (PTA) and Videonystagmography (VNG).
Results: 64 of 97 patients, had varying degrees of sensorineural hearing loss on PTA and 16 patients had vestibular hypofunction noted on caloric test of VNG. It was identified that the occurrence of bilateral hearing loss and vestibular hypo-functioning were statistically significant with chi square test (p value 0.028 and <0>
Conclusions: It is advisable to consider audio-vestibular evaluation with PTA and VNG, as screening tests for long term DM patients with or without symptoms of giddiness and hearing loss as a step for early identification of microvascular complications of the inner ear, though larger studies in other populations needs to be done for further confirmation of the correlation.

Keywords: Diabetes mellitus, hearing loss, vestibular dysfunction, Pure tone audiometry (PTA), Videonystagmography (VNG).

How to cite : Kuniyil M A , Rathnakara S H , Jaladhar P , Sequeira N M , Subramaniam V , Significance of audio-vestibular evaluation in diabetes mellitus patients- A study. J Otorhinolaryngol Allied Sci 2020;3(1):18-22

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